Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved.
History

Fri, 09 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 09 Jan 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Ricoh
Ricoh streamline Nx
Vendors & Products Ricoh
Ricoh streamline Nx

Fri, 09 Jan 2026 07:30:00 +0000

Type Values Removed Values Added
Description Improper authorization vulnerability exists in RICOH Streamline NX 3.5.1 to 24R3. If a man-in-the-middle attack is conducted on the communication between the affected product and its user, and some crafted request is processed by the product, the user's registration information and/or OIDC (OpenID Connect) tokens may be retrieved.
Weaknesses CWE-639
References
Metrics cvssV3_0

{'score': 5.9, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-01-09T18:11:55.373Z

Reserved: 2025-12-24T07:24:57.904Z

Link: CVE-2026-21409

cve-icon Vulnrichment

Updated: 2026-01-09T18:11:50.599Z

cve-icon NVD

Status : Received

Published: 2026-01-09T08:15:58.297

Modified: 2026-01-09T08:15:58.297

Link: CVE-2026-21409

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-09T13:23:33Z